All Omicron BA.5 articles

  • people-5828891_1280

    Contagious omicron strain replicates early in infection


    New research used engineered mice to compare SARS-COV-2 omicron subvariants and found one of them – BA.5 – was more virulent likely due to its ability to rapidly replicate early during infection.

  • omicron

    Omicron subvariant BA.5 efficiently infects lung cells


    Over the course of evolution of Omicron subvariants, viruses may arise that regain the ability to effectively spread in the lung and cause severe illness in risk patients and people with insufficient immunity, a new study suggests.